KALL, E On some further blood observations in patients with "a conjunctivitis of possible protozoal origin occuring in Denmark." [electronic resource] - Acta ophthalmologica 1952 - 339-42 p. digital Publication Type: Journal Article ISSN: 0001-639X Standard No.: 10.1111/j.1755-3768.1952.tb03273.x doi Subjects--Topical Terms: Conjunctivitis--etiologyDenmarkHumans